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    How much do you know about Comprehensive Certification: From Design to Deployment?

    What is 'Time to First Byte' (TTFB)?

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    The time it takes for the user to click.
    The time it takes for the server to send the first response byte to the browser.Correct
    The total size of the page.
    A network connection error.

    A low TTFB indicates a well-optimized server and backend (PHP/SQL).

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